A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5920-00-405-1363
NSN 2925-01-346-9522
NSN 5920-01-619-1987
NSN 6320-01-067-0474
NSN 7035-01-198-1512
NSN 5935-00-528-2185
NSN 6320-01-330-4634
NSN 5835-00-589-6300
NSN 5998-01-049-7272
NSN 6240-00-334-6766
NSN 5935-01-355-5025
NSN 5998-01-238-3980